Turn any outlet into a 4-in-1 powerhouse with the TWIST+ World Adapter Duo. Cleverly attaching to your MacBook's power adapter, the TWIST+ lets you energize up to 4 devices at blazing fast speeds in more than 150 countries. On top of charging your MacBook, the TWIST+ boasts two high-power USB ports and a universal AC outlet to keep your devices at peak power no matter where your travels take you. Just attach your charger, twist to select the local plug, and you're ready to power up!